﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.IO;

namespace ICSharpCode.AspNet.Mvc
{
	public class MvcFileName
	{
		string folder = String.Empty;
		
		public string Folder {
			get {
				EnsureFolderIsNotNull();
				return folder;
			}
			set { folder = value; }
		}
		
		void EnsureFolderIsNotNull()
		{
			folder = ConvertToEmptyStringIfNull(folder);
		}

		public override string ToString()
		{
			return GetPath();
		}
		
		public string GetPath()
		{
			string fileName = GetFileName();
			return Path.Combine(Folder, fileName);
		}
		
		public virtual string GetFileName()
		{
			return String.Empty;
		}

		protected static string ConvertToEmptyStringIfNull(string text)
		{
			if (text != null) {
				return text;
			}
			return String.Empty;
		}
		
		public static string GetLowerCaseFileExtension(string fileName)
		{
			if (fileName != null) {
				return Path.GetExtension(fileName).ToLowerInvariant();
			}
			return String.Empty;
		}
	}
}
